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Suitability of Ephestia kuehneilla and Corycera cephalonica eggs as alternative preys for rearing predatory mites [electronic resource].

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Romeih, A. H. M

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Language: English Summary language: Arabic Description: p.101-105Other title:

صلاحية نوعين من بيض حرشفية الأجنحة كفرائس بديلة لتربية المفترسات الأكاروسية [Added title page title]

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Egyptian journal of biological pest control, 2004 v. 14 (1), Special issue [electronic resource]:

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In: Egyptian journal of biological pest control. : Proceeding of 1st Arab Conference for Applied Biological Pest Control, Cairo, Egypt, 5-7 April 2004 2004.v.14(1)SISummary: Biological fitness of the phytoseiid mites; Amblyseius californicus, A. swirskii, Euseiuf scutalis, and the stigrnaeid mite. Agistemus exsertus. was studied when they offered Conyra cephalonica and/or Ephestia kuehniella eggs as food. The fIrst species, A. californicus failed to feed on Corcyra eggs at the two tested temperatures (25°C and 30°C) and could not complete its life cycle. Concerning the three other species, all of them displayed a better fitoess at 30°C than 25°C, where A. swirskii and E. scutalis responded positively for rearing on both eggs of C. cephalonic and E. kuehniella. However. A. swirskii showed a better response to this diet than the prior species. Concerning A. exsertus, it completed its life cycle on both diets but its fitoess on E. kuehniella eggs was higher. The practical outcome of this study that A. swirskii. E. scutalis and A. exertus can be successfully mass reared at 30°C on any of the above mentioned preys. Key Words: Mites, Phytoseiid, Stigmaeid, A. exsertus, Predatory mite, Alternative prey, Ephestia eggs, Corcyra eggs

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Biological fitness of the phytoseiid mites; Amblyseius californicus, A. swirskii, Euseiuf scutalis, and the stigrnaeid mite. Agistemus exsertus. was studied when they offered Conyra cephalonica and/or Ephestia kuehniella eggs as food. The fIrst species, A. californicus failed to feed on Corcyra eggs at the two tested temperatures (25°C and 30°C) and could not complete its life cycle. Concerning the three other species, all of them displayed a better fitoess at 30°C than 25°C, where A. swirskii and E. scutalis responded positively for rearing on both eggs of C. cephalonic and E. kuehniella. However. A. swirskii showed a better response to this diet than the prior species. Concerning A. exsertus, it completed its life cycle on both diets but its fitoess on E. kuehniella eggs was higher. The practical outcome of this study that A. swirskii. E. scutalis and A. exertus can be successfully mass reared at 30°C on any of the above mentioned preys. Key Words: Mites, Phytoseiid, Stigmaeid, A. exsertus, Predatory mite, Alternative prey, Ephestia eggs, Corcyra eggs

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